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Re: Nimrina colors updated

From:Herman Miller <hmiller@...>
Date:Monday, September 4, 2006, 3:14
Javier BF wrote:
> On Sun, 3 Sep 2006 15:58:02 -0500, Herman Miller <hmiller@...> wrote: >> So every day I open the color chart and want to move the colors >> around again. I tried coming up with some more quantifiable way to pick >> these colors, but the results ended up worse. > > > What do you mean by "quantifiable way" to pick the colors?
Some kind of scale that would allow me to specify a color as some arbitrary fraction of the distance between two of the four main colors (red and yellow, for instance), such that any step of the same size on the scale would be perceived as about the same difference in hue. Having a standard definition for the four basic colors would also be nice. I think I've got the basic colors pretty close to where I want them to be, but there's still some room for adjustment. Yellow seems closer to green than any of the other basic colors are to each other, but if I push yallow and green apart much further, the yellow starts to have more of an orange hue to it and the green starts looking bluish. The Lindiga color scale, in contrast, is based on the "H" of the HSL or HSV in a typical paint program, which is convenient but artificial. It happens to be a pretty good system for the most part, but due to the nonlinear scale (gamma correction and other factors), colors with different amounts of saturation can appear to be different hues even if the "H" is the same. The fact that 10 equally spaced hues happens to hit pretty close to red, yellow, and green (along with two hues in the "blue" range) is really more luck than anything. http://www.io.com/~hmiller/png/lindiga-colors.png Lindiga also has a lightness scale which is based on the "Y" of YIQ or YUV. I didn't come up with any standard scale for saturation.